Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane E Cigarettes: They May Help People to Quit Smoking, But What About Harm to Public Health? Puff sans Nicotine Les meilleures Puffs au meilleur Prix E cigarettes more effective than other smoking cessation aids, new review finds Nuffield Department of Primary Care Health Sciences University of Oxford